15909880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56821}}^1$

素因数の和:56839

約数の個数: 32

約数和(自身を含む): 40911840

約数和(自身を除く): 25001960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56821, 113642, 227284, 284105, 397747, 454568, 568210, 795494, 1136420, 1590988, 1988735, 2272840, 3181976, 3977470, 7954940, 15909880]

約数ペア:

[(1, 15909880), (2, 7954940), (4, 3977470), (5, 3181976), (7, 2272840), (8, 1988735), (10, 1590988), (14, 1136420), (20, 795494), (28, 568210), (35, 454568), (40, 397747), (56, 284105), (70, 227284), (140, 113642), (280, 56821)]